<?php
class Browser {
public static function detect() {
$userAgent = strtolower($_SERVER['HTTP_USER_AGENT']);
if(preg_match('/opera/', $userAgent)){
$name = 'opera';
}elseif(preg_match('/webkit/', $userAgent)){
$name = 'webkit';
}elseif(preg_match('/msie/', $userAgent)){
$name = 'msie';
}elseif(preg_match('/mozilla/', $userAgent) && !preg_match('/compatible/', $userAgent)){
$name = 'mozilla';
}else{
$name = 'unknown';
}
return $name;
}
}
if(isset($_GET['u']) && !empty($_GET['u'])){
$url = base64_decode($_GET['u']);
$browser = Browser::detect();
if($browser == 'webkit'){
echo '<html><head><title>Redirecting...</title><meta http-equiv="refresh" content="0.3; URL='.$url.'"></head></html>';
exit(0);
}elseif($browser == 'opera'){
echo "<script type=\"text/javascript\"> parent.location = 'data:text/html,<html><meta http-equiv=\"refresh\" content=\"0; url=\'".$url."\'\"></html>'; </script><noscript><meta http-equiv=\"refresh\" content=\"0; url=".$url."\"></noscript>";
exit(0);
}else{
echo '<html><head><title>Redirecting...</title><meta http-equiv="refresh" content="0.3; URL='.$url.'"></head></html>';
exit(0);
}
}else{
header("location: index.php");
}
?>
